{
  "manageEntity": {
    "action": "Update",
    "entityId": "275724351",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xfad09ea90a93dd97519ea36ec97f630db8fd24f3758b012dc2ca63acc089633f",
    "signature": "0xa94fe620a469c71c0c364f980a53d6c1158572ecf90297385a09bf7196635d004b0f2a64e756cd88e62cb72356e982e30bad299248e97365247d19dd6f3c0e4d1c",
    "signer": "0x1af33C01D3cCAf48D1FA93d5c64d9E0444d4a7cc",
    "userId": "275724351"
  }
}